FreeBSD

Minecraft init script

#!/bin/sh
#
# PROVIDE: minecraft
# REQUIRE: LOGIN DAEMON NETWORKING mountcritlocal
# KEYWORD: shutdown
#
# Add the following lines to /etc/rc.conf.local to enable the minecraft server:
#
# minecraft_enable="YES"
# minecraft_user="<run server as this user>"
# minecraft_chdir="<run server in this directory>"
# minecraft_path="<path to minecraft_server.jar>"
# minecraft_flags="<set as needed>"
#
# For default setup, create a user named 'minecraft', set its home directory
# to /srv/minecraft, and place minecraft_server.jar into /srv/minecraft
#
# See minecraft_server.jar for flags

. /etc/rc.subr

name=minecraft
rcvar=`set_rcvar`

load_rc_config ${name}

command=/usr/local/bin/screen
pidfile=/var/run/minecraft.pid

start_cmd="${name}_start"
stop_cmd="${name}_stop"
status_cmd="${name}_status"

: ${minecraft_enable="NO"}
: ${minecraft_session="minecraft-session"}
: ${minecraft_user="mcserver"}
: ${minecraft_chdir="/usr/local/minecraft-server"}
: ${minecraft_path="minecraft_server.1.8.8.jar"}
: ${minecraft_flags=""}
: ${minecraft_args="/usr/local/bin/java $(cat /usr/local/etc/minecraft-server/java-args.txt) ${minecraft_flags} -jar ${minecraft_path} nogui"}

minecraft_start() {
  unset "${rc_arg}_cmd"
  cmd="cd ${minecraft_chdir} && ${command} -d -m -S ${minecraft_session} ${minecraft_args}"
  if minecraft_running; then
    echo "minecraft already running?"
  else
    # run_rc_command "start"
    su -m ${minecraft_user} -c "${cmd}"
  fi
}

minecraft_stop() {
  local cmd
  cmd="${command} -p 0 -S ${minecraft_session} -X eval 'stuff stop\015'"
  if minecraft_running; then
    echo "Stopping minecraft."
    su -m ${minecraft_user} -c "${cmd}"
  fi
}

minecraft_status() {
  if minecraft_running; then
    echo "minecraft is running."
  else
    echo "minecraft is not running."
  fi
}

minecraft_running() {
  local check ses
  ses="${minecraft_session}"
  check=`su -m ${minecraft_user} -c "${command} -list" | grep ${ses}`
  if [ "$check" ]; then
    return 0
  else
    return 1
  fi
}

run_rc_command "$1"